Analysis
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max time kernel
121s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
17-01-2025 07:58
Static task
static1
Behavioral task
behavioral1
Sample
26640240020_Dekont20250115_3662553.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
26640240020_Dekont20250115_3662553.exe
Resource
win10v2004-20241007-en
General
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Target
26640240020_Dekont20250115_3662553.exe
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Size
914KB
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MD5
94c0d019eeca32a87b093d9463112eb2
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SHA1
76f8629459c6e3af0c39f2995acdc90b46fd05f3
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SHA256
f9075b95c77272f8c8f1b8fa996374c9c8e6bc0e2a6f1cbb6cc2fab34b9b589c
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SHA512
366ff882501d653332f335cf857c146f84ca97ed389e595962696317f2611019ac1afb418df40bdba5b6733599ce96ed20eb3063fab2ac1115db6be364ff670b
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SSDEEP
12288:jce26bXDUGTyWXV7OJoSVwNwiQB5U6msPljzkLS77wa73lP7os47+mluEqK6g/92:jce28DzxOuOfQ6p8LSfwaJ0ay9R6CAB
Malware Config
Extracted
vipkeylogger
Signatures
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VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
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Vipkeylogger family
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Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 2996 powershell.exe 2604 powershell.exe -
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 26640240020_Dekont20250115_3662553.exe Key opened \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 26640240020_Dekont20250115_3662553.exe Key opened \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 26640240020_Dekont20250115_3662553.exe -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 8 reallyfreegeoip.org 9 reallyfreegeoip.org 4 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2316 set thread context of 2076 2316 26640240020_Dekont20250115_3662553.exe 36 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 26640240020_Dekont20250115_3662553.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 26640240020_Dekont20250115_3662553.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2852 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 2316 26640240020_Dekont20250115_3662553.exe 2316 26640240020_Dekont20250115_3662553.exe 2316 26640240020_Dekont20250115_3662553.exe 2316 26640240020_Dekont20250115_3662553.exe 2076 26640240020_Dekont20250115_3662553.exe 2996 powershell.exe 2604 powershell.exe 2076 26640240020_Dekont20250115_3662553.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2316 26640240020_Dekont20250115_3662553.exe Token: SeDebugPrivilege 2076 26640240020_Dekont20250115_3662553.exe Token: SeDebugPrivilege 2996 powershell.exe Token: SeDebugPrivilege 2604 powershell.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 2316 wrote to memory of 2996 2316 26640240020_Dekont20250115_3662553.exe 30 PID 2316 wrote to memory of 2996 2316 26640240020_Dekont20250115_3662553.exe 30 PID 2316 wrote to memory of 2996 2316 26640240020_Dekont20250115_3662553.exe 30 PID 2316 wrote to memory of 2996 2316 26640240020_Dekont20250115_3662553.exe 30 PID 2316 wrote to memory of 2604 2316 26640240020_Dekont20250115_3662553.exe 32 PID 2316 wrote to memory of 2604 2316 26640240020_Dekont20250115_3662553.exe 32 PID 2316 wrote to memory of 2604 2316 26640240020_Dekont20250115_3662553.exe 32 PID 2316 wrote to memory of 2604 2316 26640240020_Dekont20250115_3662553.exe 32 PID 2316 wrote to memory of 2852 2316 26640240020_Dekont20250115_3662553.exe 33 PID 2316 wrote to memory of 2852 2316 26640240020_Dekont20250115_3662553.exe 33 PID 2316 wrote to memory of 2852 2316 26640240020_Dekont20250115_3662553.exe 33 PID 2316 wrote to memory of 2852 2316 26640240020_Dekont20250115_3662553.exe 33 PID 2316 wrote to memory of 2076 2316 26640240020_Dekont20250115_3662553.exe 36 PID 2316 wrote to memory of 2076 2316 26640240020_Dekont20250115_3662553.exe 36 PID 2316 wrote to memory of 2076 2316 26640240020_Dekont20250115_3662553.exe 36 PID 2316 wrote to memory of 2076 2316 26640240020_Dekont20250115_3662553.exe 36 PID 2316 wrote to memory of 2076 2316 26640240020_Dekont20250115_3662553.exe 36 PID 2316 wrote to memory of 2076 2316 26640240020_Dekont20250115_3662553.exe 36 PID 2316 wrote to memory of 2076 2316 26640240020_Dekont20250115_3662553.exe 36 PID 2316 wrote to memory of 2076 2316 26640240020_Dekont20250115_3662553.exe 36 PID 2316 wrote to memory of 2076 2316 26640240020_Dekont20250115_3662553.exe 36 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 26640240020_Dekont20250115_3662553.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 26640240020_Dekont20250115_3662553.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\26640240020_Dekont20250115_3662553.exe"C:\Users\Admin\AppData\Local\Temp\26640240020_Dekont20250115_3662553.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2316 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\26640240020_Dekont20250115_3662553.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2996
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\YgVyVbFVDEhC.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2604
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YgVyVbFVDEhC" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC5FD.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2852
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C:\Users\Admin\AppData\Local\Temp\26640240020_Dekont20250115_3662553.exe"C:\Users\Admin\AppData\Local\Temp\26640240020_Dekont20250115_3662553.exe"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2076
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Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD5863574d09fa7ab136b0d55ba9582f450
SHA1172a12e19c7571b00fb44b8f9c2ba7b0afcef70b
SHA256f5276b91cdc0df5050d260585ea0ad77fe4bd8d8198530df254ec2928abbc774
SHA512cd34b9673ea48a4dc399e3c69ab0111867777102ca9a2a1466b3f6c75ab9418cb751220c12c5ae9387975d2374cb05297a8bffb838075802b78a4c9a0ff5b758
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
Filesize7KB
MD591850967d2d8ebdf48b2f8de3ee04307
SHA17069030fbdb2cf00999315a6c3cb66d8504886ec
SHA25642c7612549f4bf632cf7709c22409103811eb872e34db3664796e6e737ade430
SHA512f30911eda998060ae2068547f194bc1e6b6045ce960bd4c3d3c6c61d5bfec8ecc58c6abc04859c614b03b023a032dad839bf089ee2250d2d286e67786dfd6629